Improper input validation in Siemens Simatic_s7-300_cpu

CVE-2015-2177

Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.429 (97.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-2177?
CVE-2015-2177 is a high-severity vulnerability in Siemens Simatic_s7-300_cpu, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2015-03-07.
How severe is CVE-2015-2177?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2015-2177 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.